Originally Posted by Bent Bill

I have to respectfully disagree
any decent welder with a angle grinder,propane torch,tig torch,temp probe,and some scrap aluminum for a couple of gussets
should be able to fix that in 40 minutes
aluminum sheet metal is hard to weld bicycle tubing isnt
I myself would only take the seatpost out and replace it with some bar stock to prevent any warpage
and disconect the brake cable housing
I myself cant see it costing more than a $ 150.00 and thats a high estimate
besides theres nothing lost by taking it to a reputable welding shop for an estimate except some time